ALSA: PCI: Replace CONFIG_PM with CONFIG_PM_SLEEP

Otherwise we may get compile warnings due to unused functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index ee895f3..c7e3c53 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -270,7 +270,7 @@
 	spinlock_t	reg_lock;
 	spinlock_t	voice_alloc;
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	struct snd_ali_image *image;
 #endif
 };
@@ -1883,7 +1883,7 @@
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int ali_suspend(struct device *dev)
 {
 	struct pci_dev *pci = to_pci_dev(dev);
@@ -1989,7 +1989,7 @@
 #define ALI_PM_OPS	&ali_pm
 #else
 #define ALI_PM_OPS	NULL
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
 
 static int snd_ali_free(struct snd_ali * codec)
 {
@@ -2000,7 +2000,7 @@
 	if (codec->port)
 		pci_release_regions(codec->pci);
 	pci_disable_device(codec->pci);
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	kfree(codec->image);
 #endif
 	pci_dev_put(codec->pci_m1533);
@@ -2232,7 +2232,7 @@
 		return err;
 	}
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
 	if (!codec->image)
 		snd_printk(KERN_WARNING "can't allocate apm buffer\n");